Base | Representation |
---|---|
bin | 10000111101110… |
… | …10001010101100 |
3 | 100220210121202020 |
4 | 20132322022230 |
5 | 242413222200 |
6 | 22042230140 |
7 | 3345462663 |
oct | 1036721254 |
9 | 326717666 |
10 | 142320300 |
11 | 73377391 |
12 | 3b7b5350 |
13 | 236404c5 |
14 | 14c89dda |
15 | c763ea0 |
hex | 87ba2ac |
142320300 has 72 divisors (see below), whose sum is σ = 414213072. Its totient is φ = 37728000.
The previous prime is 142320247. The next prime is 142320301. The reversal of 142320300 is 3023241.
142320300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 142320300.
It is not an unprimeable number, because it can be changed into a prime (142320301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52990 + ... + 55610.
Almost surely, 2142320300 is an apocalyptic number.
142320300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142320300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207106536).
142320300 is an abundant number, since it is smaller than the sum of its proper divisors (271892772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142320300 is a wasteful number, since it uses less digits than its factorization.
142320300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2819 (or 2812 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 142320300 is about 11929.8072071597. The cubic root of 142320300 is about 522.1023125593.
Adding to 142320300 its reverse (3023241), we get a palindrome (145343541).
The spelling of 142320300 in words is "one hundred forty-two million, three hundred twenty thousand, three hundred".
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